<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录页面</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f0f2f5;
        }

        .login-container {
            background-color: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            width: 350px;
        }

        .login-header {
            text-align: center;
            margin-bottom: 1.5rem;
        }

        .login-header h1 {
            color: #1a73e8;
            font-size: 2rem;
        }

        .form-group {
            margin-bottom: 1rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #5f6368;
        }

        .form-group input {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #dadce0;
            border-radius: 4px;
            font-size: 1rem;
            box-sizing: border-box;
        }

        .form-group input:focus {
            outline: none;
            border-color: #1a73e8;
            box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
        }

        button {
            width: 100%;
            padding: 0.75rem;
            background-color: #1a73e8;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        button:hover {
            background-color: #1557b0;
        }

        .remember-forgot {
            margin-top: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .remember-forgot a {
            color: #1a73e8;
            text-decoration: none;
            font-size: 0.9rem;
        }
    </style>
</head>
<body>
    <div class="login-container">
        <div class="login-header">
            <h1>欢迎登录</h1>
        </div>
        <form>
            <div class="form-group">
                <label for="username">用户名</label>
                <input type="text" id="username" name="username" placeholder="请输入用户名">
            </div>
            <div class="form-group">
                <label for="password">密码</label>
                <input type="password" id="password" name="password" placeholder="请输入密码">
            </div>
            <div class="remember-forgot">
                <a href="#">忘记密码?</a>
            </div>
            <button type="submit">登录</button>
        </form>
    </div>
</body>
</html>
